Make A Graph

Dataset Title:	LatLon 204X131 (Center 30.3581N 80.4908W) (LatLon 204X131-30p36N-80p49W-4) [ time][lat][lon], 2021-present
Institution:	NCEP (Dataset ID: ioos_eds_f74d_b9e3_c462)
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Data Access Form

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Graph Type:
X Axis:
Y Axis:
Color:

Dimensions

Start

Stop

time (UTC)

specify just 1 value →

latitude (degrees_north)

longitude (degrees_east)

Graph Settings
Color Bar:	Continuity:	Scale:
Minimum:	Maximum:	N Sections:
Draw land mask:
Y Axis Minimum:	Maximum:

(Please be patient. It may take a while to get the data.)

Optional:
Then set the File Type: (File Type information)
and

or view the URL:
(Documentation / Bypass this form

)

Click on the map to specify a new center point.

Zoom:

[The graph you specified. Please be patient.]

Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

Web page authors can embed a graph of the latest data in a web page using HTML <img> tags.
Anyone can use ERDDAPs Slide Sorter to build a personal web page that displays graphs with the latest data (or other images or HTML content), each in its own, draggable slide.

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.6358112e+9, 1.639116e+9;
    String axis "T";
    String calendar "proleptic_gregorian";
    String ioos_category "Time";
    String long_name "GRIB forecast or observation time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 28.7, 32.0;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 278.3, 280.7;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  Current_direction_surface {
    String abbreviation "DIRC";
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String Grib2_Generating_Process_Type "Forecast";
    String Grib2_Level_Desc "Ground or water surface";
    Int32 Grib2_Level_Type 1;
    Int32 Grib2_Parameter 10, 1, 0;
    String Grib2_Parameter_Category "Currents";
    String Grib2_Parameter_Discipline "Oceanographic products";
    String Grib2_Parameter_Name "Current direction";
    String Grib2_Statistical_Process_Type "UnknownStatType--1";
    String Grib_Variable_Id "VAR_7-0--1-0_L1";
    String ioos_category "Currents";
    String long_name "Current direction @ Ground or water surface";
    Float32 missing_value NaN;
    String units "degree_true";
  }
  Wind_direction_from_which_blowing_surface {
    String abbreviation "WDIR";
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String Grib2_Generating_Process_Type "Forecast";
    String Grib2_Level_Desc "Ground or water surface";
    Int32 Grib2_Level_Type 1;
    Int32 Grib2_Parameter 0, 2, 0;
    String Grib2_Parameter_Category "Momentum";
    String Grib2_Parameter_Discipline "Meteorological products";
    String Grib2_Parameter_Name "Wind direction (from which blowing)";
    String Grib2_Statistical_Process_Type "UnknownStatType--1";
    String Grib_Variable_Id "VAR_7-0--1-0_L1";
    String ioos_category "Wind";
    String long_name "Wind direction (from which blowing) @ Ground or water surface";
    Float32 missing_value NaN;
    String standard_name "wind_from_direction";
    String units "degree_true";
  }
  Current_speed_surface {
    String abbreviation "SPC";
    String Grib2_Generating_Process_Type "Forecast";
    String Grib2_Level_Desc "Ground or water surface";
    Int32 Grib2_Level_Type 1;
    Int32 Grib2_Parameter 10, 1, 1;
    String Grib2_Parameter_Category "Currents";
    String Grib2_Parameter_Discipline "Oceanographic products";
    String Grib2_Parameter_Name "Current speed";
    String Grib2_Statistical_Process_Type "UnknownStatType--1";
    String Grib_Variable_Id "VAR_7-0--1-1_L1";
    String ioos_category "Currents";
    String long_name "Current speed @ Ground or water surface";
    Float32 missing_value NaN;
    String units "m/s";
  }
  Deviation_of_sea_level_from_mean_surface {
    String abbreviation "DSLM";
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String Grib2_Generating_Process_Type "Forecast";
    String Grib2_Level_Desc "Ground or water surface";
    Int32 Grib2_Level_Type 1;
    Int32 Grib2_Parameter 10, 3, 1;
    String Grib2_Parameter_Category "Surface Properties";
    String Grib2_Parameter_Discipline "Oceanographic products";
    String Grib2_Parameter_Name "Deviation of sea level from mean";
    String Grib2_Statistical_Process_Type "UnknownStatType--1";
    String Grib_Variable_Id "VAR_7-0--1-1_L1";
    String ioos_category "Statistics";
    String long_name "Deviation of sea level from mean @ Ground or water surface";
    Float32 missing_value NaN;
    String units "m";
  }
  Wind_speed_surface {
    String abbreviation "WIND";
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum 0.0;
    String Grib2_Generating_Process_Type "Forecast";
    String Grib2_Level_Desc "Ground or water surface";
    Int32 Grib2_Level_Type 1;
    Int32 Grib2_Parameter 0, 2, 1;
    String Grib2_Parameter_Category "Momentum";
    String Grib2_Parameter_Discipline "Meteorological products";
    String Grib2_Parameter_Name "Wind speed";
    String Grib2_Statistical_Process_Type "UnknownStatType--1";
    String Grib_Variable_Id "VAR_7-0--1-1_L1";
    String ioos_category "Wind";
    String long_name "Wind speed @ Ground or water surface";
    Float32 missing_value NaN;
    String standard_name "wind_speed";
    String units "m/s";
  }
  Significant_height_of_combined_wind_waves_and_swell_surface {
    String abbreviation "HTSGW";
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String Grib2_Generating_Process_Type "Forecast";
    String Grib2_Level_Desc "Ground or water surface";
    Int32 Grib2_Level_Type 1;
    Int32 Grib2_Parameter 10, 0, 3;
    String Grib2_Parameter_Category "Waves";
    String Grib2_Parameter_Discipline "Oceanographic products";
    String Grib2_Parameter_Name "Significant height of combined wind waves and swell";
    String Grib2_Statistical_Process_Type "UnknownStatType--1";
    String Grib_Variable_Id "VAR_7-0--1-3_L1";
    String ioos_category "Surface Waves";
    String long_name "Significant height of combined wind waves and swell @ Ground or water surface";
    Float32 missing_value NaN;
    String standard_name "sea_surface_swell_wave_significant_height";
    String units "m";
  }
  Significant_height_of_swell_waves_surface {
    String abbreviation "SWELL";
    Float64 colorBarMaximum 10.0;
    Float64 colorBarMinimum 0.0;
    String Grib2_Generating_Process_Type "Forecast";
    String Grib2_Level_Desc "Ground or water surface";
    Int32 Grib2_Level_Type 1;
    Int32 Grib2_Parameter 10, 0, 8;
    String Grib2_Parameter_Category "Waves";
    String Grib2_Parameter_Discipline "Oceanographic products";
    String Grib2_Parameter_Name "Significant height of swell waves";
    String Grib2_Statistical_Process_Type "UnknownStatType--1";
    String Grib_Variable_Id "VAR_7-0--1-8_L1";
    String ioos_category "Surface Waves";
    String long_name "Significant height of swell waves @ Ground or water surface";
    Float32 missing_value NaN;
    String standard_name "sea_surface_swell_wave_significant_height";
    String units "m";
  }
  Primary_wave_direction_surface {
    String abbreviation "DIRPW";
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String Grib2_Generating_Process_Type "Forecast";
    String Grib2_Level_Desc "Ground or water surface";
    Int32 Grib2_Level_Type 1;
    Int32 Grib2_Parameter 10, 0, 10;
    String Grib2_Parameter_Category "Waves";
    String Grib2_Parameter_Discipline "Oceanographic products";
    String Grib2_Parameter_Name "Primary wave direction";
    String Grib2_Statistical_Process_Type "UnknownStatType--1";
    String Grib_Variable_Id "VAR_7-0--1-10_L1";
    String ioos_category "Surface Waves";
    String long_name "Primary wave direction @ Ground or water surface";
    Float32 missing_value NaN;
    String standard_name "sea_surface_wave_to_direction";
    String units "degree_true";
  }
  Primary_wave_mean_period_surface {
    String abbreviation "PERPW";
    Float64 colorBarMaximum 20.0;
    Float64 colorBarMinimum 0.0;
    String Grib2_Generating_Process_Type "Forecast";
    String Grib2_Level_Desc "Ground or water surface";
    Int32 Grib2_Level_Type 1;
    Int32 Grib2_Parameter 10, 0, 11;
    String Grib2_Parameter_Category "Waves";
    String Grib2_Parameter_Discipline "Oceanographic products";
    String Grib2_Parameter_Name "Primary wave mean period";
    String Grib2_Statistical_Process_Type "UnknownStatType--1";
    String Grib_Variable_Id "VAR_7-0--1-11_L1";
    String ioos_category "Surface Waves";
    String long_name "Primary wave mean period @ Ground or water surface";
    Float32 missing_value NaN;
    String standard_name "sea_surface_swell_wave_period";
    String units "s";
  }
  NC_GLOBAL {
    String _CoordSysBuilder "ucar.nc2.dataset.conv.CF1Convention";
    String Analysis_or_forecast_generating_process_identifier_defined_by_originating_centre "Nearshore Wave Prediction System (NWPS)";
    String cdm_data_type "Grid";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_name "NCEP";
    String creator_type "institution";
    String creator_url "https://www.ncep.noaa.gov/";
    Float64 Easternmost_Easting 280.7;
    String file_format "GRIB-2";
    Float64 geospatial_lat_max 32.0;
    Float64 geospatial_lat_min 28.7;
    Float64 geospatial_lat_resolution 0.016256157635467984;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 280.7;
    Float64 geospatial_lon_min 278.3;
    Float64 geospatial_lon_resolution 0.018461538461538286;
    String geospatial_lon_units "degrees_east";
    String GRIB_table_version "2,1";
    String grid_mapping__CoordinateAxisTypes "Lat Lon";
    String grid_mapping__CoordinateTransformType "Projection";
    Float64 grid_mapping_earth_radius 6371229.0;
    String grid_mapping_name "latitude_longitude";
    String history 
"Read using CDM IOSP GribCollection v3
2024-04-27T19:45:26Z https://eds.ioos.us/thredds/dodsC/ioos/nwps/jax/Best/LatLon_204X131-30p36N-80p49W-4
2024-04-27T19:45:26Z http://upwell.pfeg.noaa.gov/griddap/ioos_eds_f74d_b9e3_c462.das";
    String id "ioos/nwps/jax/Best/LatLon_204X131-30p36N-80p49W-4";
    String infoUrl "https://eds.ioos.us/thredds/dodsC/ioos/nwps/jax/Best/LatLon_204X131-30p36N-80p49W-4.html";
    String institution "NCEP";
    String keywords "204x131, 204x131-30p36n-80p49w-4, 30.3581n, 30p36n, 80.4908w, 80p49w, atmosphere, atmospheric, blowing, center, centers, combined, current, Current_direction_surface, Current_speed_surface, currents, data, deviation, Deviation_of_sea_level_from_mean_surface, direction, earth, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, Earth Science > Oceans > Ocean Waves > Significant Wave Height, Earth Science > Oceans > Ocean Waves > Swells, Earth Science > Oceans > Ocean Waves > Wave Period, Earth Science > Oceans > Ocean Waves > Wave Speed/Direction, environmental, ground, height, latitude, latlon, level, longitude, mean, national, ncep, ocean, oceans, period, prediction, primary, Primary_wave_direction_surface, Primary_wave_mean_period_surface, science, sea, sea_surface_swell_wave_period, sea_surface_swell_wave_significant_height, sea_surface_wave_to_direction, seawater, significant, Significant_height_of_combined_wind_waves_and_swell_surface, Significant_height_of_swell_waves_surface, speed, statistics, surface, surface waves, swell, swells, time, water, wave, waves, which, wind, Wind_direction_from_which_blowing_surface, wind_from_direction, wind_speed, Wind_speed_surface, winds";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    Float64 Northernmost_Northing 32.0;
    String Originating_or_generating_Center "US National Weather Service, National Centres for Environmental Prediction (NCEP)";
    String Originating_or_generating_Subcenter "0";
    String sourceUrl "https://eds.ioos.us/thredds/dodsC/ioos/nwps/jax/Best/LatLon_204X131-30p36N-80p49W-4";
    Float64 Southernmost_Northing 28.7;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "LatLon 204X131 (Center 30.3581N 80.4908W)";
    String testOutOfDate "now+4days";
    String time_coverage_end "2021-12-10T06:00:00Z";
    String time_coverage_start "2021-11-02T00:00:00Z";
    String title "LatLon 204X131 (Center 30.3581N 80.4908W) (LatLon 204X131-30p36N-80p49W-4) [time][lat][lon], 2021-present";
    String Type_of_generating_process "Forecast";
    Float64 Westernmost_Easting 278.3;
  }
}

Using griddap to Request Data and Graphs from Gridded Datasets

griddap lets you request a data subset, graph, or map from a gridded dataset (for example, sea surface temperature data from a satellite), via a specially formed URL. griddap uses the OPeNDAP (external link)

Data Access Protocol (DAP) (external link)

and its projection constraints (external link)

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

(easy) You can get data by using the dataset's Data Access Form. It makes the URL for you.
(easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
(not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

griddap request URLs must be in the form
https://upwell.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://upwell.pfeg.noaa.gov/erddap/griddap/jplMURSST41.htmlTable?analysed_sst[(2002-06-01T09:00:00Z)][(-89.99):1000:(89.99)][(-179.99):1000:(180.0)]
Thus, the query is often a data variable name (e.g., analysed_sst), followed by [(start):stride:(stop)] (or a shorter variation of that) for each of the variable's dimensions (for example, [time][latitude][longitude]).

For details, see the griddap Documentation.